estilo.css

body{
    font-family: Arial, sans-serif;
    font-size: 14px;
    background-color: #cccccc;
}
#site{
    position: relative;
    width: 1000px;
    margin: 0 auto;
}
#topo{
    position: relative;
    float: left;
    width: 100%;
    height: 150px;
    background-color: #9999ff;
    color: #fff;
}
#menu{
    position: relative;
    float: left;
    width: 200px;
    background-color: #000;
}
#menu ul, #menu li{
    padding: 0;
    margin: 0;
    list-style: none;
}
#menu li a{
    display: block;
    border-bottom: 1px solid #fff;
    padding: 8px 0px;
    text-align: center;
    width: 200px;
    text-decoration: none;
    color: #fff;
}
#menu li a:hover{
    background-color: #9999ff;
}
#conteudo{
    position: relative;
    float: left;
    width: 780px;
    padding: 10px;
    background-color: #fff;
}
#rodape{
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 10px 0px;
    text-align: center;
    background-color: #ccffcc;
    
}